body {
    background-color: #ddd;
}
ul {
    list-style: none;
}
::selection{
    background-color: transparent;
    color: unset;
}
.trajectory {
    position: absolute;
    width: 5px;
    height: 5px;
    background-color: #000;
    border-radius: 50%;
}
.box {
    position: absolute;
    width: 200px;
    height: 150px;
    background-color: hotpink;
    top: 60px;
    /* left: 700px; */
}
.box1 {
    position: absolute;
    width: 60px;
    height: 60px;
    background-color: greenyellow;
    top: 600px;
    left: 300px;
    border-radius: 50%;
    text-align: center;
    line-height: 60px;
    font-size: 20px;
    color: #008c8c;
    cursor: pointer;
}
.box2 {
    position: absolute;
    width: 60px;
    height: 60px;
    background-color: #2692da;
    top: 0px;
    left: 800px;
    border-radius: 50%;
    text-align: center;
    line-height: 60px;
    font-size: 20px;
    font-family: 黑体;
    color: deeppink;
    cursor: pointer;
}
.box3 {
    position: absolute;
    width: 60px;
    height: 60px;
    background-color: orange;
    top: 500px;
    left: 100px;
    border-radius: 50%;
    text-align: center;
    line-height: 60px;
    font-size: 20px;
    color: rgb(236, 240, 20);
    cursor: pointer;
}
.tip {
    position: absolute;
    width: 400px;
    height: 50px;
    left: -390px;
    background-color: lightpink;
    top: 230px;
    opacity: 0.4;
}
.tip span {
    height: 100%;
    width: 50px;
    background-color: lime;
    position: absolute;
    right: -50px;
    border-radius: 0 30px 30px 0;
    cursor: pointer;
    line-height: 50px;
    padding-left: 7px;
}
.menu {
    margin: 300px 0 0 300px;
    position: relative;
    padding: 0;
}
.menu li {
    display: inline-block;
    width: 150px;
    height: 70px;
    background-color: mediumaquamarine;
    border: 1px solid black;
    border-right: none;
    box-sizing: border-box;
    text-align: center;
    line-height: 70px;
    font-size: 20px;
    color: purple;
}
.menu li:nth-child(4) {
    border: 1px solid black;
}
.menu .active {
    background-color: orange;
    position: absolute;
    border: none;
    left: 0;
    opacity: 0.5;
}
.king {
    position: absolute;
    top: 50px;
    right: 0;
    overflow: hidden;
    padding: 10px;
    width: 852px;
}
.king ul {
    overflow: hidden;
}

.king li {
    position: relative;
    float: left;
    width: 69px;
    height: 69px;
    margin-right: 10px;
}

.king li.current {
    width: 224px;
}

.king li.current .big {
    display: block;
}

.king li.current .small {
    display: none;
}

.big {
    width: 224px;
    display: none;
}

.small {
    position: absolute;
    top: 0;
    left: 0;
    width: 69px;
    height: 69px;
    border-radius: 5px;
}

footer{
    position: fixed;
    bottom: 30px;
    width: 150px;
    font-size: 20px;
    margin: auto;
    left: 0;    /* 居中： 设置宽高，外边距自适应，上下左右为零 */
    right: 0;
}
